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KonstantinChe [14]
3 years ago
14

William recorded data to determine the relationship between the time usage, x, and the percentage of charge left on his mobile p

hone, y. He graphed the data and drew the line of best fit. The equation of the line of best fit is y = -10x + 100. About how many hours will it take for the phone lose its charge completely?
Mathematics
1 answer:
beks73 [17]3 years ago
7 0
The answer is 10 hours.  

Hope I helped.  
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